Answer:
7*40=7 group of 4 ten
7 groups of 4 tens=28 tens
28 tens = 280 seats on the bus
Step-by-step explanation:
A school has 7 buses. Each bus has 40 seat
1 bus = 40 seat
To find the number of seats on 7 buses we multiply the number seat of each bus with total number of buses
7 buses = 40 * 7 = 280
40 can be written as 4 tens
7*40=7 group of 4 ten
7 groups of______tens= ________tens
7 group of 4 tens
we add 7 groups of 4 tens , 4 +4+4+4+4+4+4 = 28 tens
7 groups of___4___tens= ____28____tens
_____tens = _____ seats on the bus
28 tens = 28 * 10 = 280 seats on the bus